Reland: VideoCapture: migrate VideoCapture renderer-->host messages to mojo, part 1

content/renderer/media/video_capture_impl_unittest.cc

Index: content/renderer/media/video_capture_impl_unittest.cc
diff --git a/content/renderer/media/video_capture_impl_unittest.cc b/content/renderer/media/video_capture_impl_unittest.cc
index 990c07a5ac73ecc822aa9803fba462594d64303f..9c744858dbafdc8b3e91b9d675f666acae61a19f 100644
--- a/content/renderer/media/video_capture_impl_unittest.cc
+++ b/content/renderer/media/video_capture_impl_unittest.cc
@@ -9,6 +9,7 @@
 #include "base/message_loop/message_loop.h"
 #include "content/child/child_process.h"
 #include "content/common/media/video_capture_messages.h"
+#include "content/common/video_capture.mojom.h"
 #include "content/renderer/media/video_capture_impl.h"
 #include "media/base/bind_to_current_loop.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ -22,6 +23,21 @@ using ::testing::SaveArg;
 
 namespace content {
 
+// Mock implementation of the Mojo service implementation.
+// TODO(mcasas): Replace completely MockVideoCaptureMessageFilter,
+// https://crbug.com/651897
+class MockVideoCaptureHost : public mojom::VideoCaptureHost {
+ public:
+  MockVideoCaptureHost() = default;
+
+  MOCK_METHOD1(Stop, void(int32_t));
+  MOCK_METHOD1(Pause, void(int32_t));
+  MOCK_METHOD1(RequestRefreshFrame, void(int32_t));
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MockVideoCaptureHost);
+};
+
 class MockVideoCaptureMessageFilter : public VideoCaptureMessageFilter {
  public:
   MockVideoCaptureMessageFilter() : VideoCaptureMessageFilter() {}
@@ -48,15 +64,11 @@ class VideoCaptureImplTest : public ::testing::Test {
 
     // Override Send() to mimic device to send events.
     void Send(IPC::Message* message) override {
-      CHECK(message);
-
       // In this method, messages are sent to the according handlers as if
       // we are the device.
       bool handled = true;
       IPC_BEGIN_MESSAGE_MAP(MockVideoCaptureImpl, *message)
         IPC_MESSAGE_HANDLER(VideoCaptureHostMsg_Start, DeviceStartCapture)
-        IPC_MESSAGE_HANDLER(VideoCaptureHostMsg_Pause, DevicePauseCapture)
-        IPC_MESSAGE_HANDLER(VideoCaptureHostMsg_Stop, DeviceStopCapture)
         IPC_MESSAGE_HANDLER(VideoCaptureHostMsg_BufferReady,
                             DeviceReceiveEmptyBuffer)
         IPC_MESSAGE_HANDLER(VideoCaptureHostMsg_GetDeviceSupportedFormats,
@@ -76,12 +88,6 @@ class VideoCaptureImplTest : public ::testing::Test {
       capture_params_ = params;
     }
 
-    void DevicePauseCapture(int device_id) {}
-
-    void DeviceStopCapture(int device_id) {
-      OnStateChanged(VIDEO_CAPTURE_STATE_STOPPED);
-    }
-
     void DeviceReceiveEmptyBuffer(int device_id,
                                   int buffer_id,
                                   const gpu::SyncToken& release_sync_token,
@@ -127,11 +133,11 @@ class VideoCaptureImplTest : public ::testing::Test {
     params_large_.requested_format = media::VideoCaptureFormat(
         gfx::Size(320, 240), 30, media::PIXEL_FORMAT_I420);
 
+    video_capture_impl_->SetVideoCaptureHostForTesting(
+        &mock_video_capture_host_);
     video_capture_impl_->device_id_ = 2;
   }
 
-  virtual ~VideoCaptureImplTest() {}
-
  protected:
   MOCK_METHOD2(OnFrameReady,
                void(const scoped_refptr<media::VideoFrame>&, base::TimeTicks));
@@ -199,6 +205,7 @@ class VideoCaptureImplTest : public ::testing::Test {
   const scoped_refptr<MockVideoCaptureMessageFilter> message_filter_;
   const media::VideoCaptureSessionId session_id_;
   std::unique_ptr<MockVideoCaptureImpl> video_capture_impl_;
+  MockVideoCaptureHost mock_video_capture_host_;
   media::VideoCaptureParams params_small_;
   media::VideoCaptureParams params_large_;